Finding the Fourth Proportional to 328,864.64, 453,833.80 and 177,961.68
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Solution
The fourth proportional to 328,864.64, 453,833.80 and 177,961.68 is: 245,587.44
Step by Step Solution
- Step 1: Write the proportion equation
328,864.64 : 453,833.80 = 177,961.68 : x - Step 2: Convert to fraction form
328,864.64/453,833.80 = 177,961.68/x - Step 3: Cross multiply
328,864.64x = 453,833.80 × 177,961.68 - Step 4: Simplify right side
328,864.64x = 80,765,025,488.78 - Step 5: Solve for x
x = 80,765,025,488.78/328,864.64 - Step 6: Final answer
x = 245,587.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.